This, unquestionably, in my humble opinion, is one of the best articles I have seen. Why? Because in this day of audio/video technology, i - pods and the like, it is easy to get a little confused, with all the terms and hype. Add in the in experience of some of todays salespeople, you may feel like you need to take a course in hi - fi, if you do not follow it carefully.
I believe, this is info that every consumer should have, before they walk out the door to do their shopping. A valuable piece of literature and well written.